{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["discoverer", "time", "supported platform", "vulnerability", "vulnerable system", "capabilities", "common vulnerabilities and exposures", "vulnerable system owner"]}], "input": "Chinese researchers have found 14 security vulnerabilities affecting many models ."}
{"discover vulnerability": [{"discoverer": "NAN", "time": "NAN", "supported platform": "NAN", "vulnerability": "NAN", "vulnerable system": "models", "capabilities": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system owner": "NAN"}]}